![Cassegrain and Coudé focus positions of the optical instrument (e.g.... | Download Scientific Diagram Cassegrain and Coudé focus positions of the optical instrument (e.g.... | Download Scientific Diagram](https://www.researchgate.net/profile/Tomasz-Stebel/publication/281145007/figure/fig2/AS:614270970650638@1523465020334/Cassegrain-and-Coude-focus-positions-of-the-optical-instrument-eg-telescope-Coude_Q320.jpg)
Cassegrain and Coudé focus positions of the optical instrument (e.g.... | Download Scientific Diagram
![Cassegrain and Coudé focus positions of the optical instrument (e.g.... | Download Scientific Diagram Cassegrain and Coudé focus positions of the optical instrument (e.g.... | Download Scientific Diagram](https://www.researchgate.net/publication/281145007/figure/fig2/AS:614270970650638@1523465020334/Cassegrain-and-Coude-focus-positions-of-the-optical-instrument-eg-telescope-Coude.png)
Cassegrain and Coudé focus positions of the optical instrument (e.g.... | Download Scientific Diagram
![The 'equatorial coude' refracting telescope, Paris Observatory, France - aperture 7.5cm. The tube is 'bent' and light fed to the observer by two mirrors, one in front of the telescope and the The 'equatorial coude' refracting telescope, Paris Observatory, France - aperture 7.5cm. The tube is 'bent' and light fed to the observer by two mirrors, one in front of the telescope and the](https://c8.alamy.com/comp/D95T4K/the-equatorial-coude-refracting-telescope-paris-observatory-france-D95T4K.jpg)
The 'equatorial coude' refracting telescope, Paris Observatory, France - aperture 7.5cm. The tube is 'bent' and light fed to the observer by two mirrors, one in front of the telescope and the
![Reflecting, Newtonian & Cassegrain Telescope | Who Invented the Reflecting Telescope? - Video & Lesson Transcript | Study.com Reflecting, Newtonian & Cassegrain Telescope | Who Invented the Reflecting Telescope? - Video & Lesson Transcript | Study.com](https://study.com/cimages/videopreview/videopreview-full/screen_shot_2014-12-13_at_12.15.37_am_136815.jpg)